The final nail in the coffin comes with an interview with the author stating that Naruto marrying Hinata was planned from some time ago and that all hints pointing otherwise were a deliberate mislead made to pull the legs of the shippers.

For example, murdering humans "just because you can" is about as morally grating for werewolves as grand theft is for humans, while wielding silver or telling humans that werewolves exist is as bad for werewolves as a planned, deliberate murder is for humans.